3. Futaba Onion Holder Slicer Vegetable tools(Click Link to Check Price on Amazon)Editor’s Rating : 9.1 out of 10This handy gadget not only holds the onion for you (no more stinky hands), but also guides your knife for perfectly even slices. If you do not want to touch onion, this gadget will be a great solution.Material: Stainless steel + ABS